5 The following inventory transactions took place for NPR Corporation for the month of May: Date Event Quantity May 1 Beginning Inventory 1,000 May 5 Purchase 6,000 Cost/Selling Price $3.55 3.10 May 10 Purchase 2,000 3.75 May 15 Sale 3,000 6.00 May 20 Sale 2,000 6.00 May 22 Purchase 5,000 3.45 May 24 Purchase 2,000 3.75 May 25 Sale 7,000 6.00 7 points Save Answ Requirements: Calculate the per unit cost, ending inventory quantity on-hand and ending inventory balance for NPR Corporation, assuming the company uses a perpetual inventory system and the weighted average cost formula. (7) For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac)